Summary
Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What type of information could be disclosed by this vulnerability?
Exploiting this vulnerability could allow the disclosure of credentials.
What action should customers using Microsoft Dynamics 365 Business Central 2024 Release Wave 2 (version 25.x) take?
Version 25.x has reached the end of support and will not receive a security update for this vulnerability. Customers should upgrade to version 26.14 or later; see the Dynamics 365 Business Central on-premises lifecycle policy and KB 5100263 for more information.
Security updates
26.0.50788 — https://support.microsoft.com/help/5100263
28.0.50938 — https://support.microsoft.com/help/5100266
27.0.50789 — https://support.microsoft.com/help/5100265
30713 — https://support.microsoft.com/en-us/servicing/dynamics/nav/update/2021/12/cumulative-update-61-for-microsoft-dynamics-nav-2017-build-30699
11.0.50736.0 — https://support.microsoft.com/en-gb/servicing/dynamics/nav/update/2022/12/cumulative-update-60-for-microsoft-dynamics-nav-2018-build-49618
Vulnerabilities 1
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Medium 6.5
Microsoft Dynamics Business Central Information Disclosure Vulnerability
Missing authorization in Dynamics Business Central allows an authorized attacker to disclose information over a network.
Revision history
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#1
Information published.
References
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CVE-2026-40375 Microsoft Dynamics Business Central Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40375
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss